| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 | IRS-1A Rocket |
| Spacetrack catalog number | 17973 | 18961 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2022 May 27 04:59 | 2022 May 27 14:07 |
| Time of closest approach (UTC) | 2022 Jan 25 05:51:30.878 |
| Minimum distance | 1389.180 km |
| Height difference | -7.109 km |
| Relative speed | 12.660 km/s |
| Angle between velocity vectors | 117° |
| Geographic position | 68.0°S, 7.9°W |
| Height | 888 km |
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